MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/hdbad3vo8aejsta6clptoj3jb7/33005105045.pdf In PDF document text
- http://jimmartinfamilyreunion.com/clients/35696/File/lekolufinopizaker.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f5557d79c---7701648033.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/81514700789.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16070d5c61275f---96966765769.pdfIn PDF document text
- https://thietkevuphong.com/uploads/image/files/zumitaxubugon.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/dd46bcaf1120471780cb62cb6447f70c/bimijujobigu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7959d127b8---28133108483.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/p7q49cdijt1itibvkqf8v3fqja/43775587575.pdfIn PDF document text
- http://birdviewjoey.com/webroot/uploads/files/60369444340.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160baae2f034fa---44894764710.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8ce8da5fe---19216855548.pdfIn PDF document text
- https://belloverde.net/emailer/file/9068868395.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/16929312373.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/sudomotimaviluz.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866b6673987---simokanexebegeda.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/6de985d839eb95e487ce218da317554d/sudisizedimemenen.pdfIn PDF document text
- https://tonwen.org/userfiles/file/rizisumixukoluzuj.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/13860765888.pdfIn PDF document text
- http://momsystem.ru/public/file/lixojopekojunuzobofimolas.pdfIn PDF document text
- http://lamdecal.com/Images_upload/files/xesusunewe.pdfIn PDF document text
- http://brightwayconsultancyservices.com/userfiles/file/melesogabasugejorupoxizo.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878aee03664---fupofivur.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/1fe68faa9a8756fd7264021a07881750/bezezurupijiruvotirowe.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/q4ib9rb66sisk72ra7j5j479gs/69116261840.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=modern+calculus+and+analytic+geometry+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF729 | 18316 bytes |
SHA-256: 0075545ed9ef964dfb11bb29ee437d7f51187b3937a26effcc5425d878c8fbf9 |
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font_01_sfnt_off0001276e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1276E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F85 | 11172 bytes |
SHA-256: 470129c19e44f023f7aaf7c87c42b7b10797c8140283886d57410faa7074395a |
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